import assert from 'node:assert/strict';
import test from 'node:test';
import { buildPiggySystemPrompt } from '../src/agent/prompt';
import { assertPigToolBoundary } from '../src/chat';

/**
 * What is left of this file after the harness swap.
 *
 * The hand-rolled loop that used to be tested here — the SSE reader, the
 * tool-call assembler, the retry budget — belongs to Prime Agent now, and its
 * tests went with it. Two things did not move, and both are the sort that fail
 * silently rather than loudly.
 */

test('ambient coding tools are rejected at the boundary', () => {
  assert.throws(
    () => assertPigToolBoundary([{ name: 'pig_get_idle_capacity' }, { name: 'bash' }]),
    /outside the PIG tool boundary/,
  );
  // A tool that starts pig_ but reads like a filesystem is refused too: the
  // prefix is a convention, and a convention alone is not a boundary.
  assert.throws(() => assertPigToolBoundary([{ name: 'pig_file_write' }]), /outside the PIG tool boundary/);
  assert.throws(() => assertPigToolBoundary([{ name: 'pig_shell_exec' }]), /outside the PIG tool boundary/);
  assert.doesNotThrow(() =>
    assertPigToolBoundary([{ name: 'pig_get_idle_capacity' }, { name: 'pig_log_activity' }]),
  );
});

test('the prompt Piggy actually runs on still states the units rule and the margin definitions', () => {
  const prompt = buildPiggySystemPrompt({ mode: 'read_only' });

  // The whole point: 189 spoken as "$189 per GPU-hour" is a hundredfold error
  // on the number everyone in the room is watching. This assertion survived the
  // move from the retired chat loop to `agent/prompt.ts` because the failure it
  // guards against did not.
  assert.match(prompt, /ends in Cents is an integer number of US cents/i);
  assert.match(prompt, /costPerGpuHourCents: 189 is \$1\.89 per GPU-hour/);
  assert.match(prompt, /ends in Pct, and utilisation, is a share between 0 and 1/);
  // Margin against sold hours only would report a losing block as healthy.
  assert.match(prompt, /revenue minus the FULL cost of the commitment/);
  assert.match(prompt, /REMAINING unsold hours must fetch/);
  // And the stock harness preamble, which introduces a coding assistant with a
  // filesystem, must be gone rather than merely appended to.
  assert.match(prompt, /no shell, filesystem, browser, code execution, or hidden tools/i);
  assert.doesNotMatch(prompt, /coding assistant/i);
});